sneak
If by secretly you meant cautiously then walking stealthily or tip toeing .
The word "stealthily" is an adverb. It describes how an action is performed, in a secretive or cautious manner.
The word is "eavesdropping."
I entered the room stealthily, hoping to remain unnoticed.
He stealthily snuck into the clock tower known as Big Ben
She stealthily approaches the cake cupboard."I will move very stealthily," said the would-have-been diamond thief, seconds before he tripped a laser-triggered alarm.The Royal Commandos stealthily kidnap their target for interrogation.
Edge only has one syllable. This means the whole word is the syllable.
The word that means a brim or edge is "rim." It typically refers to the outer boundary or border of an object, such as the edge of a circular object like a plate or the top edge of a container.
It means City on the Edge.
Stealthy , stealthily ,ninja
The sniper crept stealthily through the bushes, trying to remain unnoticed.
Brim.